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The research method used was a qualitative experiment, starting with taking broken piston rings No. 2 and 3, cutting the piston rings and testing them with hardness tests and composition tests carried out at the Indonesian State Maritime Polytechnic and Undip Central Java Integrated Lab. From the results of this research, it can be concluded that the used broken ring number 3 has the highest hardness of 140.26 HB and the used ring number 2 is 131.50 HB, so it can be concluded that the piston ring that has been used and exposed to high heat causes an increase in hardness and causes it to break. The composition test results showed that the carbon content of the new ring no. 2 was the highest at 15.30% and that in the used ring no. 2 was 12.08% because the compression ring was in direct contact with the compression chamber or in contact with heat. For the used number 3 piston ring, the carbon content is 10.43 and the new one is 11.02 because it is positioned below the compression ring and is not in direct contact with heat. for the used ring no.2, the Silicon (Si) content is low, namely 2.15% compared to the new one, 2.75% because the nature of Silicium is that it is resistant to high temperatures and as a compression ring compared to ring no.3, fracture occurs because there are no Manganese or Phosphate elements. which is wear resistant, strong and elastic. The microstructure of piston ring No. 2 is broken and the new two piston rings are less dense and have rough gaps. The broken piston ring structure of No. 3 and the new one looks a bit gray and has high levels of graphite iron and carbon elements.

Warm water compresses given to a woman's lower back in the area where the fetal head presses on the spine will reduce pain, heat will increase circulation to the area thereby correcting tissue anoxia caused by pressure. This study aims to determine the effect of warm compresses on reducing labor pain during the first active phase. This type of research is Quasi experiment, which is research that is used to determine whether or not there are consequences of "something" imposed on the subject being studied by looking for the effect of certain treatments on others under controlled conditions. A sample is a portion taken from all objects studied and is considered to represent the entire population. The sample in this study was 20 people in one intervention group. The sampling technique was Purposive Sampling, namely taking samples according to the criteria determined by the researcher. Data collection techniques use questionnaire sheets and respondent observation sheets. The data analysis technique uses the Independent T test. Statistical testing uses parametric analysis with the significance of the test results determined based on the p value <0.05. Based on the statistical test results, it is known that the p value is 0.001<0.05 which means that there is an influence on the intensity of pain before and after administration. Warm Compress. This research means that there is a significant relationship between the effect of warm compresses on reducing labor pain during the first active phase at PMB Pera Simalingkar B Medan Tuntungan in 2023

The purpose of this research to effect variations cacao peel ash to parameters mechanical and morphology in making red brick. This research method uses the experiment. The research of characterization compressive strength value a minimum of 29,73 kg/cm2 and maximum of 243,82 kg/cm2. The morphology structure testing with software digimizer a minimum of 0,7985 μm, and maximum of 2,4551 μm. The composition of mixing clay, water, and cacao peel ash by increasing the burning temperature of bricks show the optimum test parameters at the temperature 1000℃ with variation in cacao peel ash is 20% that has the met the standard SNI 15-2094-2000.

The purpose of this research is to ascertain how satisfied users are with the functionality of the IoT-based “BottlePress” plastic bottle waste compression tool. This research uses a survey method with quantitative research with a sampling technique, namely distributing online questionnaires via Google Form. A simple regression test was used to analyze data obtained from filling out the questionnaire. According to the research findings, most users are satisfied with the performance of the IoT-based “BottlePress” plastic bottle waste compression tool.

Menstrual pain (dysmenorrhea) is a pain that is felt during menstruation and is felt in the lower abdomen. The incidence of dysmenorrhea is still common in young women, including in SMK Nurul Islami Semarang. One way to reduce dysmenorrhea pain is with warm electric compresses and deep breathing relaxation. This study aimed to analyse the effectiveness of giving electric warm compresses and deep breathing relaxation on the level of dysmenorrhea pain in adolescents at SMK Nurul Islami Semarang. The research plan is a quasi-experimental design with a two-group pre-test-post-test design approach. The population in this study was composed of female students in grades 10 and 11. The sampling technique was purposive, and a total sample of 64 respondents was obtained. The statistical test used is the normality test using Kolmogorov-Sminonov, followed by the Wilcoxon test. This study found that giving electric warm compresses and deep breathing relaxation was more effective in reducing dysmenorrhea pain than giving electric warm compresses. This finding is based on the intervention group's score of 16.50, while the control group's value is 14.50. The results of this study recommend that it can be used as material for carrying out interventions for young women who experience menstrual pain (dysmenorrhea).    

The development and progress of science, especially in the field of building materials technology, has encouraged the birth of new concepts, especially for construction made of concrete. One of these new concepts is by presenting innovations in the manufacture of lightweight concrete to reduce the excessive use of bricks / concrete blocks as non-structural building materials such as walls. One way to overcome this is to use lightweight concrete as a precast wall or as a brick. Its use can reduce the magnitude of the load acting on the building and is fast in installation. The purpose of this research on lightweight concrete with a mixture of bamboo shavings is to determine the properties of the stacking material, the relationship between mechanical properties at the age of 14 and 28 days of concrete with no soaking conditions, and the effect of the addition of bamboo shavings. The tests and examinations carried out were compressive strength, strain, and content weight of lightweight concrete. The results showed that lightweight concrete with the most ideal bamboo shavings mixture was 1 cement: 1-1.5 bamboo shavings: 2 sand (fas value: 0.8) has a compressive strength of 1.65 MPa and 1.63 Mpa, respectively, for a content weight of 753.01 kg/m3 and 609.66 kg/m3. 

The purpose of this study was to determine the influence of users and the effectiveness of the Plastic Bottle Waste Compression Tool "Bottlepress" as an innovation in protecting the environment. The method used is a quantitative survey form using the Google Form platform in the form of a questionnaire to obtain a sample. Simple Linear Regression and Correlation methods were used as data analysis of this study.  The results of this study indicate that there is no influence between user convenience on compression tools with a greater significance α> 0.05, namely 0.373 and a regression coefficient of 0.167 units or 16.7% positive value.

The aim of this research is to analyze the effect of adding hyperplasticizer and retarder on the compressive strength of self-compacting concrete. Fine aggregate and coarse aggregate from the Jenneberang River, Kab. Gowa. The concrete mix design uses a trial and error mix design for self-compacting concrete by making visual observations, so that the physical conditions of the mixture appear to be sufficient to produce a good mix. The stages of this research, by finding a comparison of the slump flow values ​​of the self-compacting Concrete concrete, then making test objects, after that curing the test objects using the water curing method for 28 days, then testing the compressive strength of the self-compacting Concrete concrete to produce comparison to the compressive strength of normal(conventional) concrete. The results of this research show that self-compacting concrete has a compressive strength value of 46.25 Mpa compared to normal concrete of 45.02 Mpa, an increase of 2.73% compared to normal concrete. And the slump value of normal concrete is 8 - 13 cm, while the slump flow of self-compacting concrete is 63 - 84.9 cm, with a time range between 2.53 - 3.46 seconds, able to reach a diameter of 500 mm on the segregation board.  

The cassava cultivation agricultural sector in North Sumatra is vulnerable to attacks by plant pests, resulting in a decrease in production. One of the pests that are directly related to cassava cultivation is weeds with all their types, impacts, and biology. Therefore, identification measures are needed. This research aims to identify weed diversity by knowing the weed species and dominant weed species. Research on identifying weeds in cassava (Manihot esculenta Crantz) in Glugur Rimbun, Sampecita Village, Kutalimbaru District, Deli Serdang Regency aims to determine the types of weeds, density, dominance index, and species diversity index. This research was conducted from June to August 2023 using qualitative and quantitative methods. Weed sampling used a random quadrat method, 50 samples with a plot size of 2 m x 2 m. The results of the analysis of weed vegetation on cassava cultivation land in Glugur Rimbun showed that there were 10 types of weeds from 5 families, namely the types of weeds included in the broad-leaf weed group, there were 5 species, namely Asystasia gangeticum, Amaranthus spinosus, Ageratum conyzoides, Chromolaena odorata, Mimosa pudica. Other types of weeds that were found were grass weeds, namely Axonopus compressus, Eleusin indica, Ottochloa nodosa, Cynodon dactilon, Paspalum conjugatum. The types of weeds that dominate the Glugur Rimbun cassava fields are Eleusin indica (SDR 20.88%), Cynodon dactilon (SDR 17.96%), Asystasia gingaticum (SDR 14.06%), Ottochloa nodosa (SDR 13.90%).

Shallots (Allium cepa variety ascalonicum) can be used as a fever-reducing medicine in infants and toddlers with fever. Infants with fever after Pentabio immunization is about 60% and the way to reduce fever after Pentabio immunization in infants so far is by giving pharmacological therapy, namely antipyrectic syrup (paracetamol syrup). The purpose of this study was to determine the effect of onion compress on reducing body temperature in the incidence of pentabio post-immunization follow-up (KIPI). The research method is an experimental quasy method with pretest and posttest approaches. The samples used accidental sampling technique, namely 12 infants who had been given pentabio immunization in January 2023 at PMB Hj. F Kotabaru. Data collection using questionnaires analyzed in the form of frequency distribution. The results showed that most of the babies who had a fever before being given onion compresses were 12 people (92.3%), babies who did not have fever after compressing shallots as many as 10 people (83.3%). The implication of the results of the study is that compresses using red onions are an effective alternative to reduce fever in infants.    

Efforts to reduce pain in primary dysmenorrhea include using warm compresses, consuming analgesic medication, regular exercise, using aromatherapy, relaxing, drinking hot tea and dark chocolate (Rofiqoh, 2021:2). The content of dark chocolate such as caffeine, theobromine, methyl-xanthine, and phenylethylalanine is believed to improve mood and reduce fatigue so it can be used as a therapy to relieve primary dysmenorrhea because it has various ingredients that have anti-pain properties.

Gout Arthritis is an inflammatory joint disease caused by the accumulation of monosodium urate crystals in the body. Onion compress is a current form the treatment of gout arthritis with no side effects. The aim of this research is a to determine the effectivennes of shallot (Allium Cepa Var Aggregatum) compress on joint pain Gout Arhtritis patients at the Working Area, Public Health Center Tuminting Manado. The research conducted by using a pre-experimental (pre and post test design). The samples were 13 subjekts which taken using total sampling technique. Research instruments used observation sheet and SOP for measurement with the NRS (Numeric Rating Scale). Analyzed data by using a Wilcoxon test with the significance level α = 0,01. The results of this research obtained a value p=0.002 (α≤0.05), which means that Ha is accepted and Ho is rejected, so that can be concluded there were an effectivennes of shallot (Allium Cepa Var Aggregatum) compress on joint pain Gout Arhtritis patients at the Working Area, Public Health Center Tuminting Manado. The conclusion of this research is that there is an effectivennes of shallot (Allium Cepa Var Aggregatum) compress on joint pain Gout Arhtritis patients at the Working Area, Public Health Center Tuminting Manado. Advice to subjekts who often experience gout arthritis pain is to treat it themselves by using shallot compresses.

Dyspepsia is a medical condition characterized by pain or discomfort in the upper abdomen or solar plexus. Heartburn in dyspepsia sufferers occurs because the sphincter muscles in the esophagus and stomach do not close completely, resulting in a back-flow of stomach acid into the esophagus. A behavior to reduce pain in dyspepsia patients is a warm compress. The aim of this study was to determine the effectiveness of warm compresses on pain intensity of dyspepsia pain patients on Emergency Room of at Robert Wolter Mongisidi Hospital Manado. The method in this research is a quasi experiment with one group pre-post test. With 10 peoples of samples taken by using accidental sampling. Data collection uses SOPs and observation sheets. Next, the collected was processed using the Mc-Nemar test.The results of this study showed the majority of subjekts experienced changes after applying a warm compress (90%). The results of data analysis tested using Mc-Nemar obtained a value of p=0.031 (a<0.05), meaning there was an effect of warm compresses on pain intensity in dyspepsia patients in emergency room at Robert Wolter Mongisidi Hospital Manado.The conclusion, the compresses on the intensity of pain in dyspepsia patients in the Emergency Room at Robert Wolter Mongisidi Hospital Manado. It is recommended for the hospitals staff and dyspepsia sufferers to apply warm compresses to help reduce pain.

Labor is the process by which the fetus and amniotic fluid are pushed out through the birth canal. During the birth process the mother will experience pain. Pain that is uncontrolled or excerssive and does not get proper treatment can cause problems with difficulty in childbirth. A non-pharmocological method that is quite safe was to determine the effect of giving warm compresses to labor pain in the active phase of the first stage of labor at Fatimah Banyuwangi Hospital in 2022. The research method used a pre-exsperimental one group pretest posttest on 30 respondents who met the inclusion criteria, namely pregnant women in the first active phase, singleton pregnancies, head presentations, term pregnancies, normal delivery plants, fetal interpretation between 2500-4000 grams, accompanied by their husbands or family. Data collection was carried out using the VAS observation sheet and warm compress SOP. Then the data is processed through the process of editing, coding,scring, tabulating and statistical analysis of the Wilcoxon test. The result showed that the level of labor pain before the intervention was mostly in the severe pain category by 53% and after the warm compress intervention there was a decrease in the pain level, namely in the moderate pain category by 70%. Wilcoxon test reslts Asymp. Sig. (2-tailed) 0,00 < 0,05 means that there is a significant effect of giving warm compresses to labor pain in the active phase I parturition at RSI Fatimah Banyuwangi in 2022. Proper application of warm compresses according to the procedure gives a feeling of warmth and causes vasoconstriction so that labor pain in the first stage can be reduced. This method is safe and can be an alternative choice for midwives in the management of pain care during labor.

Carpal tunnel syndrome (CTS) is a condition that causes pain, tingling and weakness in the hand due to compression of the median nerve in the wrist. Treatment of CTS is based on two main approaches, namely steroid injection therapy and endoscopic surgical decompression therapy. Steroid injection therapy provides greater temporary pain relief, but the benefits are not permanent. At the same time, surgical decompression treatment with endoscopy is a definitive treatment that is more effective in the long term and has a lower therapeutic failure rate than steroid injection treatment. This literature research explores various scientific studies and related literature that have been conducted in recent decades to understand the effectiveness and relative superiority of these two treatment methods. This review covers clinical aspects, such as the rate of pain recovery, recovery of hand function, as well as the impact on the patient's quality of life. The results of this literature review indicate that both treatment methods have their respective advantages and disadvantages. Steroid injection therapy can provide rapid and minimally invasive symptom relief, while endoscopic surgical decompression therapy tends to provide more lasting and complete improvement. Factors such as symptom severity, patient preference, and medical recommendations may influence the choice between these two methods.

This study aims to determine the effect of the effectiveness of abdominal stretching exercises and warm compresses on dysmenorrhea pain in young women at MTS Tanwiriyyah Cianjur in 2022. Young women often experience pain during menstruation (menstruation), causing discomfort, especially in daily activities. This complaint is not very good for adolescent development. By using non-pharmacological treatment, namely abdominal stretching exercises and warm compresses for dysmenorrhea pain, it can reduce pain in young women. This research method uses a quantitative research design with a quasi-experiment method with a two group pre-test and post-test design. Results achieved based on the research results in the stretching group was 80.0%, and the results of the Pairet Sample t test with a P value of 0.004 < 0.005. Meanwhile, in the warm compress group, it was 86.7% with Pairet Sample t test results with P Value 0.000 < 0.005. The conclusion of the research shows that there is an influence of the effectiveness of abdominal stretching exercises and warm compresses on dysmenorrhea pain in young women at MTS Tanwiriyyah Cianjur in 2022.

Dysmenorrhea is a medical condition that occurs during menstruation or menstruation, which can interfere with activities and requires treatment. Characterized by pain or tenderness in the abdomen or pelvis. The impact of dysmenorrhea is reduced concentration when studying, hampered sports activities and reduced time for social activities. With the increase in Covid-19 cases, people are becoming anxious if they have to come to health services for fear of contracting Covid-19. One action to reduce dysmenorrhea pain is using a warm compress combined with music therapy. This research is quantitative research using quasi-experimental research using a one-group pre-test-post-test design method and purposive sampling techniques. The location where the research will be conducted is STIKES Kesdam IV/Diponegoro with 30 respondents. The Numeric Rating Scale (NRS) is a tool used to evaluate dysmenorrhea pain. The Wilcoxon test was used to analyze research data. The results of this study show that giving a warm compress has an effect. with a combination of music therapy on the level of dysmenorrhea pain with a p value of 0.00 (<0.05).

Chalazion is granulomatous inflammation with lipogranuloma or chronic non-infectious inflammation of the eyelids, in the form of nodules formed by inflammation and obstruction of the Meibomian Tarsal or Zeis glands. This chalazion often occurs in all age groups, but is more common in adults than children, and affects men and women equally. A chalazion usually appears as a painless swelling of the eyelid that has been present for weeks to months, which can cause cosmetic deformity in the patient. The priority management of chalazion to reduce existing complaints is conservative management. Some methods for conservative management in cases of chalazion include warm compresses, cleaning the eyelids with baby shampoo, and massaging the eyelids. If conservative management fails, patients can be treated with pharmacotherapy or surgery

Backgound: Dysmenorrhea is a medical condition during menstruation that hinders women from doing activity because of soreness or pain in the abdomen or pelvis. Dysmenorrhea can be found in some women in different ages including teenage girls. In Indonesia the rate of dysmenorrhea is approximately around 64,25% consisting of 54,89% of primary dysmenorrhea and 9,36% of secondary dysmenorrhea. If it is not appropriately treated, the symptoms could interrupt daily activities. A non-pharmacology therapeutic method that alleviates pain can be applied using hot water compression (37-40C) for about 15 minutes. Research Objective: The research purpose is to investigate and discover the effect of hot water compression method for the teenage girls at SMP Takhasus Al-Quran Wonosobo. Research Methods: This research employs a pre-experimental design (Pre-test – Treatment – Post-test). The data was collected from respondents that were made up of 33 populations and 30 sampling of teenage girls using random sampling methods before it was analysed by Wilcoxon signed test. Result:  The average scale of pain before treatment by hot water compress was 5,67, while after the care, were decreasing to 4,03 scale. Conclusion: Hot water compress has a positive response in decreasing the dysmenorrhea pain for teenage girls at SMP Takhasus Al-Quran Wonosobo.

Background: Dysmenorrhea is pain experienced by adolescents during menstruation in the lower abdomen due to changes in the hormone prostaglandin. Based on the interviews conducted, 10 out of 67 young women experienced dysmenorrhea in Pilangrejo Village. Warm water compresses are a non-pharmacological treatment because they are effective in helping reduce dysmenorrhea pain. Objective: To find out the results of implementing warm water compress therapy for dysmenorrhea pain. Method: This application uses the case study method with 2 respondents in Cungkup, Pilangrejo, Juwangi, Boyolali who experienced primary dysmenorrhea with a moderate pain scale. Each respondent was given warm water compresses for 3 consecutive days with a duration of 20 minutes and a water temperature of 46°C. Result: The management of dysmenorrhea in adolescents with warm water compresses decreased in the first respondent from a pain scale of 6 to 2 with the moderate to mild pain category, and the second respondent experienced a decrease in the pain scale from 5 to 1 with the moderate to mild pain category. Conclusion: There is a difference in the pain scale of dysmenorrhea in the 2 respondents before and after being treated with warm water compresses with a moderate pain scale to mild pain.